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Finding the Fourth Proportional to 110,952.60, 166,428.90 and 93,391.80

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Solution

The fourth proportional to 110,952.60, 166,428.90 and 93,391.80 is: 140,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,952.60 : 166,428.90 = 93,391.80 : x
  2. Step 2: Convert to fraction form
    110,952.60/166,428.90 = 93,391.80/x
  3. Step 3: Cross multiply
    110,952.60x = 166,428.90 × 93,391.80
  4. Step 4: Simplify right side
    110,952.60x = 15,543,094,543.02
  5. Step 5: Solve for x
    x = 15,543,094,543.02/110,952.60
  6. Step 6: Final answer
    x = 140,087.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.